About A. Reid Monroe-Sheridan

Registered Foreign Lawyer in Japan

A. Reid Monroe-Sheridan

A. Reid Monroe-Sheridan

Reid Monroe-Sheridan is a New York-licensed corporate lawyer and registered foreign attorney based in Tokyo, Japan. Fluent in Japanese, Reid has experience spanning international mergers and acquisitions, general corporate and commercial matters, equity and debt securities issuances, derivatives transactions, and corporate governance. Reid is also an Assistant Professor at Keio Law School, one of Japan’s top-ranked law schools.


Since founding Monroe-Sheridan Foreign Law Office in 2014, Reid has advised public and private Japanese and American companies in a variety of international matters including cross-border M&A, international commercial agreements, overseas expansion, corporate governance, and U.S. securities law. Prior to that, Reid worked as an associate at Simpson Thacher & Bartlett in New York and Tokyo. At Simpson Thacher, Reid negotiated contracts and prepared other documentation for derivatives instruments, M&A transactions, and billions of dollars of securities issuances. Reid’s securities experience includes registered IPOs in the U.S., global IPOs in Japan, international investment grade debt issuances, and both secured and unsecured high-yield debt issuances in the U.S.


Reid is an Assistant Professor at Keio Law School and has previously taught as an Adjunct Lecturer at the University of Tokyo Law School and the Hitotsubashi Graduate School of International Corporate Strategy. Reid’s courses have covered cross-border M&A, international capital markets, comparative corporate law, and American law, among other subjects. Reid has also served as a judge for the Intercollegiate Negotiation Competition at Sophia University in Tokyo.


Reid received his J.D., cum laude, from Harvard Law School and is a graduate of the Inter-University Center for Japanese Language Studies, which is run by Stanford University. Reid passed level N1 (the highest level) of the Japanese government’s Japanese Language Proficiency Test when level N1 was first introduced in 2010.

Additional Information

Qualifications and Memberships

  • New York Bar
  • Registered Foreign Attorney in Japan (Gaikokuho Jimu Bengoshi)
  • First Tokyo Bar Association (Daiichi Tokyo Bengoshikai), Special Foreign Member

Professional Experience

  • Monroe-Sheridan Foreign Law Office, 2014–present
  • Tokyo Nexus Limited, Representative Director, 2014–present
  • Simpson Thacher & Bartlett LLP, Associate, 2010–2014

Academic Positions

  • Keio University Law School, Assistant Professor, April 2016–present
  • Hitotsubashi Graduate School of International Corporate Strategy, Adjunct Lecturer, 2016
  • Keio University Law School, Adjunct Lecturer, 2015–2016
  • University of Tokyo Law School, Adjunct Lecturer, 2013–2016



  • Inter-University Center for Japanese Language Studies, 2010
  • Harvard Law School, J.D., cum laude, 2009
    • Yong K. Kim ’95 Memorial Prize
    • Co-President, Harvard Asia Law Society (2008-2009)
    • Co-Chair, Asia Business Conference at Harvard Business School (2007-2008)
  • University of Tokyo Graduate School of Law and Politics, 2008-2009 (exchange program)
  • Carleton College, B.A., summa cum laude, 2006

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